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Cause 1 of 6: Bluetooth is turned on
If Bluetooth is turned on, this will affect the battery life.
Solution: Turn off Bluetooth.
Slide your finger down the display starting from the top edge of your phone.Press the settings icon.
Turn Bluetooth on or off
Press the indicator next to "Bluetooth" to turn the function on or off.
Return to the home screen
Press the home icon to return to the home screen.
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